FI942761A0 - Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa - Google Patents

Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa

Info

Publication number
FI942761A0
FI942761A0 FI942761A FI942761A FI942761A0 FI 942761 A0 FI942761 A0 FI 942761A0 FI 942761 A FI942761 A FI 942761A FI 942761 A FI942761 A FI 942761A FI 942761 A0 FI942761 A0 FI 942761A0
Authority
FI
Finland
Prior art keywords
period
estimating
long
frame
classifying
Prior art date
Application number
FI942761A
Other languages
English (en)
Swedish (sv)
Other versions
FI942761A (fi
FI111486B (fi
Inventor
Luca Cellario
Original Assignee
Sip
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sip filed Critical Sip
Publication of FI942761A0 publication Critical patent/FI942761A0/fi
Publication of FI942761A publication Critical patent/FI942761A/fi
Application granted granted Critical
Publication of FI111486B publication Critical patent/FI111486B/fi

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI942761A 1993-06-10 1994-06-10 Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa FI111486B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO930419 1993-06-10
ITTO930419A IT1270438B (it) 1993-06-10 1993-06-10 Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce

Publications (3)

Publication Number Publication Date
FI942761A0 true FI942761A0 (fi) 1994-06-10
FI942761A FI942761A (fi) 1994-12-11
FI111486B FI111486B (fi) 2003-07-31

Family

ID=11411549

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942761A FI111486B (fi) 1993-06-10 1994-06-10 Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa

Country Status (10)

Country Link
US (1) US5548680A (fi)
EP (1) EP0628947B1 (fi)
JP (1) JP3197155B2 (fi)
AT (1) ATE170656T1 (fi)
CA (1) CA2124643C (fi)
DE (2) DE69412913T2 (fi)
ES (1) ES2065871T3 (fi)
FI (1) FI111486B (fi)
GR (1) GR950300013T1 (fi)
IT (1) IT1270438B (fi)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
KR970017456A (ko) * 1995-09-30 1997-04-30 김광호 음성신호의 무음 및 무성음 판별방법 및 그 장치
US5659622A (en) * 1995-11-13 1997-08-19 Motorola, Inc. Method and apparatus for suppressing noise in a communication system
FI114248B (fi) * 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
FI971679A (fi) * 1997-04-18 1998-10-19 Nokia Telecommunications Oy Puheen havaitseminen tietoliikennejärjestelmässä
FI113903B (fi) 1997-05-07 2004-06-30 Nokia Corp Puheen koodaus
US5970441A (en) * 1997-08-25 1999-10-19 Telefonaktiebolaget Lm Ericsson Detection of periodicity information from an audio signal
US5999897A (en) * 1997-11-14 1999-12-07 Comsat Corporation Method and apparatus for pitch estimation using perception based analysis by synthesis
US6023674A (en) * 1998-01-23 2000-02-08 Telefonaktiebolaget L M Ericsson Non-parametric voice activity detection
DE69932786T2 (de) * 1998-05-11 2007-08-16 Koninklijke Philips Electronics N.V. Tonhöhenerkennung
US6415252B1 (en) * 1998-05-28 2002-07-02 Motorola, Inc. Method and apparatus for coding and decoding speech
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US6507814B1 (en) 1998-08-24 2003-01-14 Conexant Systems, Inc. Pitch determination using speech classification and prior pitch estimation
JP3180786B2 (ja) * 1998-11-27 2001-06-25 日本電気株式会社 音声符号化方法及び音声符号化装置
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
FI116992B (fi) 1999-07-05 2006-04-28 Nokia Corp Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US6959274B1 (en) * 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
KR100388488B1 (ko) * 2000-12-27 2003-06-25 한국전자통신연구원 유성음 구간에서의 고속 피치 탐색 방법
US6876965B2 (en) 2001-02-28 2005-04-05 Telefonaktiebolaget Lm Ericsson (Publ) Reduced complexity voice activity detector
FR2825505B1 (fr) * 2001-06-01 2003-09-05 France Telecom Procede d'extraction de la frequence fondamentale d'un signal sonore au moyen d'un dispositif mettant en oeuvre un algorithme d'autocorrelation
US7177304B1 (en) * 2002-01-03 2007-02-13 Cisco Technology, Inc. Devices, softwares and methods for prioritizing between voice data packets for discard decision purposes
USH2172H1 (en) * 2002-07-02 2006-09-05 The United States Of America As Represented By The Secretary Of The Air Force Pitch-synchronous speech processing
AU2003248029B2 (en) * 2002-09-17 2005-12-08 Canon Kabushiki Kaisha Audio Object Classification Based on Statistically Derived Semantic Information
DE102005002195A1 (de) * 2005-01-17 2006-07-27 Siemens Ag Verfahren und Anordnung zur Regeneration eines optischen Datensignals
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
KR100717396B1 (ko) 2006-02-09 2007-05-11 삼성전자주식회사 로컬 스펙트럴 정보를 이용하여 음성 인식을 위한 유성음을판단하는 방법 및 장치
JP4827661B2 (ja) * 2006-08-30 2011-11-30 富士通株式会社 信号処理方法及び装置
JP5229234B2 (ja) * 2007-12-18 2013-07-03 富士通株式会社 非音声区間検出方法及び非音声区間検出装置
CN101599272B (zh) * 2008-12-30 2011-06-08 华为技术有限公司 基音搜索方法及装置
CN101604525B (zh) * 2008-12-31 2011-04-06 华为技术有限公司 基音增益获取方法、装置及编码器、解码器
GB2466675B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
US9142220B2 (en) 2011-03-25 2015-09-22 The Intellisis Corporation Systems and methods for reconstructing an audio signal from transformed audio information
US8548803B2 (en) 2011-08-08 2013-10-01 The Intellisis Corporation System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
US8620646B2 (en) 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
US9183850B2 (en) 2011-08-08 2015-11-10 The Intellisis Corporation System and method for tracking sound pitch across an audio signal
US10423650B1 (en) * 2014-03-05 2019-09-24 Hrl Laboratories, Llc System and method for identifying predictive keywords based on generalized eigenvector ranks
US9922668B2 (en) 2015-02-06 2018-03-20 Knuedge Incorporated Estimating fractional chirp rate with multiple frequency representations
US9870785B2 (en) 2015-02-06 2018-01-16 Knuedge Incorporated Determining features of harmonic signals
US9842611B2 (en) 2015-02-06 2017-12-12 Knuedge Incorporated Estimating pitch using peak-to-peak distances
US10390589B2 (en) 2016-03-15 2019-08-27 Nike, Inc. Drive mechanism for automated footwear platform
FR3056813B1 (fr) * 2016-09-29 2019-11-08 Dolphin Integration Circuit audio et procede de detection d'activite
EP3306609A1 (en) * 2016-10-04 2018-04-11 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for determining a pitch information
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
EP3483886A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359696A (en) * 1988-06-28 1994-10-25 Motorola Inc. Digital speech coder having improved sub-sample resolution long-term predictor
DE69133296T2 (de) * 1990-02-22 2004-01-29 Nec Corp Sprachcodierer
CA2051304C (en) * 1990-09-18 1996-03-05 Tomohiko Taniguchi Speech coding and decoding system
JPH04264600A (ja) * 1991-02-20 1992-09-21 Fujitsu Ltd 音声符号化装置および音声復号装置
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding

Also Published As

Publication number Publication date
DE69412913T2 (de) 1999-02-18
EP0628947A1 (en) 1994-12-14
JPH0728499A (ja) 1995-01-31
ES2065871T1 (es) 1995-03-01
ITTO930419A1 (it) 1994-12-10
IT1270438B (it) 1997-05-05
EP0628947B1 (en) 1998-09-02
DE69412913D1 (de) 1998-10-08
DE628947T1 (de) 1995-08-03
GR950300013T1 (en) 1995-03-31
FI942761A (fi) 1994-12-11
ES2065871T3 (es) 1998-10-16
CA2124643A1 (en) 1994-12-11
FI111486B (fi) 2003-07-31
ITTO930419A0 (it) 1993-06-10
JP3197155B2 (ja) 2001-08-13
US5548680A (en) 1996-08-20
ATE170656T1 (de) 1998-09-15
CA2124643C (en) 1998-07-21

Similar Documents

Publication Publication Date Title
FI942761A0 (fi) Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa
EP1340223B1 (en) Method and apparatus for robust speech classification
EP1262956A3 (en) Signal encoding method and apparatus
KR960029798A (ko) 신호 특성 측정 방법 및 장치. 음성 신호의 음질 측정 방법 및 신호 성질 측정 방법
GB2102254A (en) A speech analysis-synthesis system
DE69729527D1 (de) Verfahren und Vorrichtung zur Kodierung von Sprachsignalen
CA2024742A1 (en) Speech coding apparatus using multimode coding
EP0392412B1 (en) Voice detection apparatus
DE60205232D1 (de) Verfahren und vorrichtung zur bestimmung der qualität eines sprachsignals
US5432884A (en) Method and apparatus for decoding LPC-encoded speech using a median filter modification of LPC filter factors to compensate for transmission errors
DE68913691D1 (de) System zur Sprachcodierung und -decodierung.
KR910015962A (ko) 음성신호처리장치
Pettigrew et al. Backward pitch prediction for low-delay speech coding
CA2110645A1 (en) Method of and Device for Quantizing Excitation Gains in Speech Coders Based on Analysis-By-Synthesis Techniques
EP0772185A3 (en) Speech decoding method and apparatus
JPS63282795A (ja) マルチパルス符号化装置
FI935755A0 (fi) Automatiskt foerstaerkningskontrollsystem foer numerisk mottagare samt anordning foer foerfarandet
Vahatalo et al. Voice activity detection for GSM adaptive multi-rate codec
JPH06236195A (ja) 音声区間検出方法
FI942762A (fi) Menetelmä ja laite spektriparametrien kvantisointiin digitaalisissa puhekoodereissa
Hahn et al. An improved speech detection algorithm for isolated Korean utterances
JPS5781733A (en) Method and means for detecting voice in voice channel signal
Lee et al. On the use of a family of signal limiters for recognition of noisy speech
KR102419514B1 (ko) 비디오 정보를 이용한 오디오 인코딩
Ito et al. Forward masking on a generalized logarithmic scale for robust speech recognition

Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: TELECOM ITALIA S.P.A.

MA Patent expired